Chap. XVIII.] CAPTURED ANIMALS. 353 



It seemed to me an interesting question whether the 

 minute bladders of Utricularia montana served, as in the 

 previous species, to capture animals living in the earth, or 

 in the dense vegetation covering the trees on which this 

 species is epiphytic; for in this case we should have a new 

 sub-class of carnivorous plants, namely, subterranean feed- 

 ers. Many bladders, therefore, were examined, with the fol- 

 lowing results: 



(1) A small bladder, less than ^ of an inch (.847 mm.) in 

 diameter contained a minute mass of brown, much decayed matter; 

 and in this, a tarsus with four or five joints, terminating in a 

 double hook, was clearly distinguished under the microscope. I 

 suspect that it was a remnant of one of the Thysanoura. The 

 quadrifids in contact with this decayed remnant contained either 

 small masses of translucent, yellowish matter, generally more or 

 less globular, or fine granules. In distant parts of the same blad- 

 der, the processes were transparent and quite empty, with the 

 exception of their solid nuclei. My son made at short .intervals 

 of time sketches of one of the above aggregated masses, and found 

 that they continually and completely changed their forms; some- 

 times separating from one another and again coalescing. Evidently 

 protoplasm had been generated by the absorption of some element 

 from the decaying animal matter. 



(2) Another bladder included a still smaller speck of decayed 

 brown matter, and the adjoining quadrifids contained aggravated 

 matter, exactly as in the last case. 



(3) A third bladder included a larger organism, which was so 

 much decayed that I could only make out that it was spinose or 

 hairy. The quadrifids in this case were not much affected, ex- 

 cepting that the nuclei in the several arms differed much in size; 

 some of them containing two masses having a similar appearance. 



(4) A fourth bladder contained an articulate organism, for I 

 distinctly saw the remnant of a limb, terminating in a hook. The 

 quadrifids were not examined. 



(5) A fifth included much decayed matter apparently of some 

 animal, but with no recognisable features. The quadrifids in con- 

 tact contained numerous spheres of protoplasm. 



(6) Some few bladders on the plant which I received from Kew 

 were examined; and in one, there was a worm-shaped animal very 

 little decayed, with a distinct remnant of a similar one greatly 

 decayed. Several of the arms of the processes in contact with these 

 remains contained two spherical masses, like the single solid nucleus 

 which is properly found in each arm. In another bladder there was 

 a minute grain of quartz, reminding me of two similar cases with 

 Utricularia neglecta. 



As it appeared probable that this plant would capture a greater 

 munber of animals in its native country than under culture, I 



